Discussion

Explanation:

The number of employees in 2010 and 2020 is 60 and 80 million respectively.

Growth from 2010 till 2020 = $\frac{80-60}{60}$ × 100% = 33.33%

The simple average annual growth rate = $\frac{33.3\%}{10}$ = 3.33%

Hence, option (b).

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